OVERWHELM

[verb] [T] - to make powerless by using force, or to cause to feel sudden strong emotionGovernment troops have overwhelmed the rebels.Her attacker overwhelmed her by squeezing her throat.They were overwhelmed with/by grief when their baby died.I was quite overwhelmed by all the flowers and letters of support I received.Since I've been on a diet, I've been overwhelmed by a desire to eat.If water overwhelms a place it covers it suddenly and completely.The whole valley will be overwhelmed if the dam bursts.